[NTLUG:Discuss] Making a spam shield server

[. Daniel]

By all means, ZAP!

I could probably figure it out based on the hints you supplied, but at the 
moment, I'm somewhere between healthy and a little sick and it's quite 
distracting.  So yeah, if you had some example code I could play with, 
that'd just rock.  I'm sure it could help others too.


>. Daniel wrote:
> > Here's the scenario:
> >
> > At the office is a MS Exchange 2003 server.  I would like to put up a
> > Linux box (got it loaded and just about ready to go) running CentOS 4.4 
to
> > accept mail for the domain and forward it on to the Exchange server 
after
> > processing through greylisting and spam assassin's filters.
> >
> > The problem is that I get a user unknown error.  So either I create 
users
> > manually (not gonna happen) or come up with a way to link the server to 
the
> > Active Directory domain via LDAP as a means of determining whether or 
not a
> > user exists.
>
>This is actually quite easy.  Samba/winbind.  Of course, the server has
>to be able to join the Domain (must have network visibility to it).
>In openSUSE anyhow, you'll end up with the Windows users occupying uids
>in the 10000+ range... likewise with Windows groups.  Looking at one
>of our RHEL boxes... seem they start mapping at uid/gid 16777216+
>(wow).  The smb.conf that comes with RHELAS4 is well commented (just
>remember that comments count against you big time in Samba performance).
>Hopefully you can figure things out from there.  If not... I can
>probably zap you one from a working config I have.
>
>This doesn't require an LDAP server on Linux (if you thought that might
>be true).
>
>
>
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